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GB2148072B - Digital conversion apparatus for colour video signals - Google Patents

Digital conversion apparatus for colour video signals

Info

Publication number
GB2148072B
GB2148072B GB08423455A GB8423455A GB2148072B GB 2148072 B GB2148072 B GB 2148072B GB 08423455 A GB08423455 A GB 08423455A GB 8423455 A GB8423455 A GB 8423455A GB 2148072 B GB2148072 B GB 2148072B
Authority
GB
United Kingdom
Prior art keywords
video signals
digital conversion
conversion apparatus
colour video
colour
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08423455A
Other languages
English (en)
Other versions
GB2148072A (en
GB8423455D0 (en
Inventor
Takayuki Sasaki
Masaaki Arai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB8423455D0 publication Critical patent/GB8423455D0/en
Publication of GB2148072A publication Critical patent/GB2148072A/en
Application granted granted Critical
Publication of GB2148072B publication Critical patent/GB2148072B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/831—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal using intermediate digital signal processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/86—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially and simultaneously, e.g. corresponding to SECAM-system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
GB08423455A 1983-09-26 1984-09-17 Digital conversion apparatus for colour video signals Expired GB2148072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58177298A JPS6068793A (ja) 1983-09-26 1983-09-26 カラ−ビデオ信号のデイジタル化回路

Publications (3)

Publication Number Publication Date
GB8423455D0 GB8423455D0 (en) 1984-10-24
GB2148072A GB2148072A (en) 1985-05-22
GB2148072B true GB2148072B (en) 1987-02-04

Family

ID=16028553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08423455A Expired GB2148072B (en) 1983-09-26 1984-09-17 Digital conversion apparatus for colour video signals

Country Status (6)

Country Link
US (1) US4725894A (de)
JP (1) JPS6068793A (de)
CA (1) CA1226937A (de)
DE (1) DE3435169A1 (de)
GB (1) GB2148072B (de)
NL (1) NL192493C (de)

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JPS61214689A (ja) * 1985-03-19 1986-09-24 Konishiroku Photo Ind Co Ltd 画像記録装置
GB2176669A (en) * 1985-06-05 1986-12-31 Philips Electronic Associated Digitising television signals
JPH0666942B2 (ja) * 1985-07-17 1994-08-24 ソニー株式会社 ヘリカルスキヤン方式磁気記録再生装置
JP2542822B2 (ja) * 1986-04-15 1996-10-09 キヤノン株式会社 映像信号記録または再生システム
US5053896A (en) * 1986-05-14 1991-10-01 Canon Kabushiki Kaisha Receiving method and apparatus for recording received data onto a recording medium
JPS63108888A (ja) * 1986-10-27 1988-05-13 Canon Inc カラ−ビデオ信号再生装置
US5063457A (en) * 1986-11-19 1991-11-05 Canon Kabushiki Kaisha Wide-band video signal recording apparatus by using frequency interleave
JPH07110065B2 (ja) * 1987-05-01 1995-11-22 富士写真フイルム株式会社 デイジタル電子スチルカメラ
US5335078A (en) * 1987-09-22 1994-08-02 Canon Kabushiki Kaisha Image signal recording apparatus or reproducing apparatus
US5038221A (en) * 1987-10-13 1991-08-06 Louis Dorren Luminance encoded digital audio system
US5140408A (en) * 1989-02-10 1992-08-18 Sanyo Electric Co., Ltd. Color component signal converting apparatus having an input dependent switchable matrix
US5508812A (en) * 1993-09-01 1996-04-16 Apple Computer, Inc. System for processing and recording digital color television signal onto analog video tape
US6122377A (en) * 1995-07-12 2000-09-19 Siemens Aktiengesellschaft Video signal receiver with record protection
KR0160711B1 (ko) * 1995-07-20 1999-05-01 김광호 캠코더의 정지화면 재생장치 및 그 방법
US5831687A (en) * 1995-09-05 1998-11-03 Ricoh Company, Ltd. Color video signal processing method and apparatus for converting digital color difference component signals into digital RGB component signals by a digital conversion
EP1594321A3 (de) * 2004-05-07 2006-01-25 Dialog Semiconductor GmbH Farbbildaufnahmevorrichtung mit erweitertem Dynamikbereich
EP1608183A1 (de) * 2004-06-14 2005-12-21 Dialog Semiconductor GmbH Matrixschaltung für Bildsensoren
US7425994B2 (en) * 2005-01-31 2008-09-16 Texas Instruments Incorporated Video decoder with different signal types processed by common analog-to-digital converter
CN108600722A (zh) * 2018-06-21 2018-09-28 深圳市嘉利达专显科技有限公司 一种用于色彩管理显示器的色域校正装置与方法
US11202049B2 (en) 2019-03-15 2021-12-14 Comcast Cable Communications, Llc Methods and systems for managing content items

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1412489B1 (de) * 1960-03-07 1970-07-02 Sony Corp Magnetisches Aufzeichnungs- und Wiedergabesystem fuer Farbsignale
GB1188392A (en) * 1966-07-19 1970-04-15 Sony Corp Television Signal Recording System
DE2434471C2 (de) * 1974-07-18 1982-05-06 Robert Bosch Gmbh, 7000 Stuttgart System zur zeitmultiplexen digitalen Übertragung von Farbfernsehsignalen
DE2446538C3 (de) * 1974-09-28 1981-09-24 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Matrizierung dreier Farbwertsignale in Farbdifferenzsignale -I und Q und in ein Leuchtdichtesignal Y
US4015286A (en) * 1975-01-23 1977-03-29 Eli S. Jacobs Digital color television system
US4188638A (en) * 1975-04-22 1980-02-12 U.S. Philips Corporation Color television signal having color-difference signals alternating between two carriers
JPS53101932A (en) * 1977-02-17 1978-09-05 Sony Corp Color television picture receiver
US4123775A (en) * 1977-05-02 1978-10-31 The Magnavox Company Apparatus and method for adjusting the color temperature of a television receiver
US4460924A (en) * 1978-04-19 1984-07-17 Quanticon Inc. Dither quantized signalling for color television
JPS6033030B2 (ja) * 1978-12-23 1985-07-31 ソニー株式会社 同期信号発生器
JPS5932953B2 (ja) * 1979-04-10 1984-08-11 日本ビクター株式会社 Ｓｅｃａｍ方式カラ−映像信号発生装置
GB2059711B (en) * 1979-09-12 1983-07-20 British Broadcasting Corp Digital demodulation or modulation of television chrominance signals
JPS56112191A (en) * 1980-02-08 1981-09-04 Sony Corp Color temperature control device for image receiving tube
US4376957A (en) * 1980-02-25 1983-03-15 Rca Corporation Transmission system with sequential time-compressed baseband color
US4335393A (en) * 1980-04-15 1982-06-15 Harris Video Systems, Inc. Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality
JPS6017987Y2 (ja) * 1980-06-20 1985-05-31 三洋電機株式会社 色温度コントロ−ル回路
US4387406A (en) * 1980-10-31 1983-06-07 Texas Instruments Incorporated Encoding and decoding digital data in a video format
US4347619A (en) * 1980-12-19 1982-08-31 Discovision Associates Digital formatting system
JPS57125588A (en) * 1981-01-29 1982-08-04 Sony Corp Digital reproducing device for video signal
JPS5847391A (ja) * 1981-09-16 1983-03-19 Victor Co Of Japan Ltd 記録再生方式
FR2513838A1 (fr) * 1981-09-29 1983-04-01 Thomson Brandt Filtre en mode echantillonne de preaccentuation d'une sous-porteuse de chrominance et codeur et camera de television comportant un tel filtre
JPS58161593A (ja) * 1982-03-19 1983-09-26 Toshiba Corp カラ−テレビジヨン信号変換回路
US4520401A (en) * 1982-04-16 1985-05-28 Victor Company Of Japan, Ltd. Digital video signal recording system and reproducing apparatus
GB2122836A (en) * 1982-06-11 1984-01-18 Philips Electronic Associated Television transmission system
JPS5981988A (ja) * 1982-10-29 1984-05-11 Victor Co Of Japan Ltd カラ−映像信号のデジタル化記録方式
US4556900A (en) * 1983-05-25 1985-12-03 Rca Corporation Scaling device as for quantized B-Y signal
FR2551295B1 (fr) * 1983-08-24 1985-10-25 Radiotechnique Compelec Circuit d'identification de couleur secam
US4558351A (en) * 1983-11-21 1985-12-10 Rca Corporation Hue correction circuit for a digital TV receiver

Also Published As

Publication number Publication date
US4725894A (en) 1988-02-16
CA1226937A (en) 1987-09-15
GB2148072A (en) 1985-05-22
GB8423455D0 (en) 1984-10-24
NL192493C (nl) 1997-08-04
JPS6068793A (ja) 1985-04-19
NL192493B (nl) 1997-04-01
DE3435169A1 (de) 1985-04-11
NL8402934A (nl) 1985-04-16
DE3435169C2 (de) 1988-08-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020917